Dying Branches on Silver Maple - Knowledgebase Question

St. Ignace, MI
Question by mdodson
May 19, 1998
Last year our maple tree was loaded with what our extension office said was maple bladder gall. We sprayed the tree with Sevin. This did nothing to eliminate the galls, and by fall the leaves were all dying. This spring the top branches produced leaves, but all the bottom branches were dead. What could have caused this? We cut off all of the dead branches and hope that the tree will survive. The leaves at the top are doing fine, but I notice more galls on them? Will this tree survive or should we just give up on it and replace it?


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Answer from NGA
May 19, 1998

0

I think there's more going on than meets the eye. Generally, maple bladder gall, caused by mites, doesn't usually make a noticeable difference in tree growth and performance - certainly not enough to kill whole branches. Did the dead branches have gashes, cankers, or evidence of fungus? Perhaps your extension agent or a good local arborist can examine the tree and help you decide to replace or salvage your maple. Good luck!

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